Robtex

Up: 72.35.67.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 72.35.67.128/26
Down right: 72.35.67.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.35.67.128	A	altiris.ultimatesoftware.com
72.35.67.135	PTR	coe.ultimatesoftware.com
72.35.67.135	A+PTR	conserv.ultimatesoftware.com
72.35.67.135	A+PTR	elearn.ultimatesoftware.com
72.35.67.136	A	learn-ura.ultimatesoftware.com
72.35.67.136	A	elearn-ura.ultimatesoftware.com
72.35.67.139	PTR	sg.ultimatesoftware.com
72.35.67.139	PTR	sgtest.ultimatesoftware.com
72.35.67.143	A+PTR	mybr.ultimatesoftware.com
72.35.67.144	A+PTR	myapp.ultimatesoftware.com
72.35.67.145	PTR	acnews.ultimatesoftware.com
72.35.67.145	PTR	aconb.ultimatesoftware.com
72.35.67.145	PTR	acrec.ultimatesoftware.com
72.35.67.148	A	wwwonb.entertheultimateexperience.com
72.35.67.149	PTR	wponb.ultimatesoftware.com
72.35.67.150	PTR	wpbibr.ultimatesoftware.com
72.35.67.150	A+PTR	wprecbr.ultimatesoftware.com
72.35.67.150	A+PTR	wputmbr.ultimatesoftware.com
72.35.67.152	PTR	jira.ulti.com
72.35.67.153	A+PTR	acmobilesales.ultimatesoftware.com
72.35.67.160	A	vpn.ultimatesoftware.com
72.35.67.161	A	password.ultimatesoftware.com
72.35.67.161	A	pw.gtm.ultimatesoftware.com
72.35.67.166	A+PTR	autodiscover.ultimatesoftware.com
72.35.67.166	A+PTR	exchange.ultimatesoftware.com
72.35.67.166	A+PTR	webmail.ultimatesoftware.com
72.35.67.167	A	outlook.ultimatesoftware.com
72.35.67.168	A+PTR	wpdemo.ultimatesoftware.com
72.35.67.169	A+PTR	wpdemo-ura.ultimatesoftware.com
72.35.67.170	A+PTR	authoring.ultimatesoftware.com
72.35.67.171	PTR	myrec.ultimatesoftware.com
72.35.67.173	PTR	workplacedemoroom.ultimatesoftware.com
72.35.67.173	A+PTR	workplacesalesdemo.ultimatesoftware.com
72.35.67.173	PTR	wpd.ultimatesoftware.com
72.35.67.174	A+PTR	salesforcejiraintegration.ultimatesoftware.com
72.35.67.174	A+PTR	salesforcejiraintegrationtest.ultimatesoftware.com
72.35.67.176	PTR	corpsmtprelay.ultimatesoftware.com
72.35.67.180	A+PTR	lyncdirpool01.ultimatesoftware.com
72.35.67.180	A+PTR	webexternalpool01.ultimatesoftware.com
72.35.67.181	A+PTR	ns1.ultimatesoftware.com
72.35.67.185	A+PTR	askus3.ultimatesoftware.com
72.35.67.187	PTR	wpdrsi.ultimatesoftware.com
72.35.67.190	A+PTR	vdi6.ultimatesoftware.com
72.35.67.190	A	vdi.ultimatesoftware.com
72.35.67.191	PTR	www.ultipre.com
72.35.67.191	PTR	www.nultipro.com
72.35.67.191	PTR	untimatesoftware.com
72.35.67.195	A+PTR	uatlabbr.intersourcing.com
72.35.67.195	PTR	uatnetlabbr.intersourcing.com
72.35.67.196	PTR	uatlabbi.intersourcing.com
72.35.67.198	A+PTR	uatlabsg.intersourcing.com
72.35.67.198	PTR	corpping.ultimatesoftware.com
72.35.67.199	A	uatnetlabc.intersourcing.com
72.35.67.200	A+PTR	uatlab-recruitment.intersourcing.com
72.35.67.200	A+PTR	corporion.ultimatesoftware.com
72.35.67.200	A+PTR	corpaccess.ultimatesoftware.com
72.35.67.203	A	salesforcebox.ultimatesoftware.com
72.35.67.207	A+PTR	isd-research.ultimatesoftware.com
72.35.67.209	A+PTR	visitor.ultimatesoftware.com
72.35.67.210	A+PTR	fpscp-beta.ultimatesoftware.com
72.35.67.217	A+PTR	callidus.ulti.com
72.35.67.217	A+PTR	callidus.ultimatesoftware.com
72.35.67.220	A	midmarketultiexperience.ultimatesoftware.com
72.35.67.234	A	lyncdiscover.ultimatesoftware.com
72.35.67.234	A	dialin.ultimatesoftware.com
72.35.67.236	A+PTR	pendo.ultimatesoftware.com